diff --git a/data/schedule/40c3.yaml b/data/schedule/40c3.yaml
index 131688a..9f6a358 100644
--- a/data/schedule/40c3.yaml
+++ b/data/schedule/40c3.yaml
@@ -4,6 +4,7 @@ map:
   origin:
     name: { de: "Messe Hamburg (Eingang Mitte)", en: "Messe Hamburg (Eingang Mitte)" }
     geo: { lat: 53.561870, lon: 9.975692 }
+    icon: town-hall
 tours:
   alster-steamer-st-georg:
     geo: { lat: 53.554553, lon: 9.991652 }